Fix application name on Wayland in flatpak

fixes #903

CMakeLists.txt

@@ -10,6 +10,7 @@ if(UNIX AND NOT APPLE)
 else()
 	option(MAN "Build man page" OFF)
 endif()
+option(FLATPAK "Set this only if Nheko is built as a flatpak" OFF)
 
 set(
 	CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_LIST_DIR}/toolchain.cmake"
@@ -637,6 +638,9 @@ elseif(WIN32)
 	endif()
 else()
 	target_link_libraries (nheko PRIVATE Qt5::DBus)
+	if (FLATPAK)
+		target_compile_definitions(nheko PRIVATE NHEKO_FLATPAK)
+	endif()
 endif()
 target_include_directories(nheko PRIVATE src includes third_party/blurhash third_party/cpp-httplib-0.5.12)
 

io.github.NhekoReborn.Nheko.yaml

@@ -200,6 +200,7 @@ modules:
       - -DLMDBXX_INCLUDE_DIR=.deps/lmdbxx
       - -DCOMPILE_QML=ON
       - -DMAN=OFF
+      - -DFLATPAK=ON
     buildsystem: cmake-ninja
     name: nheko
     sources:

src/main.cpp

@@ -231,10 +231,11 @@ main(int argc, char *argv[])
 #if !defined(Q_OS_MAC)
     app.setWindowIcon(QIcon::fromTheme(QStringLiteral("nheko"), QIcon{":/logos/nheko.png"}));
 #endif
-    if (userdata.isEmpty() || userdata == QLatin1String("default"))
-        app.setDesktopFileName(QStringLiteral("nheko"));
-    else
-        app.setDesktopFileName("nheko[" + userdata + "]");
+#ifdef NHEKO_FLATPAK
+    app.setDesktopFileName(QStringLiteral("io.github.NhekoReborn.Nheko"));
+#else
+    app.setDesktopFileName(QStringLiteral("nheko"));
+#endif
 
     http::init();